body{
    background: #f8f8f8;
}
*{
    padding: 0;
    margin: 0;
    /*box-sizing: border-box;*/
}

.w{
    width: 1200px;
    margin: 0 auto;
}
li{
    list-style: none;
}

a{
    text-decoration: none;
    color:#000;
}

a:hover{
    text-decoration: none;
    color:#000;
}
/*菜单栏开始*/
.Header{
    height: 50px;
    background-color: #fff;
}

/*菜单左边部分*/
.Header .h_left{
    float: left;
    width:400px;
    height: 50px;
    /*background:rebeccapurple;*/
}
.h_left .logo{
    float: left;
    width: 40px;
    height: 40px;
    margin-left: 40px;
    margin-top: 5px;
}

.h_left .logo img{
    width: 100%;
}

.h_left .web_name{
    float: left;
    font-size:16px;
    height: 50px;
    line-height: 50px;
    font-weight: 600;
    margin-left: 10px;
}

/*菜单栏右边部分*/
.Header .h_right{
    float: left;
    /*width:800px ;*/
    height: 50px;
    margin-left: 400px;
}

.h_right li{
    float: left;
    height: 50px;
    line-height: 50px;
    font-size: 16px;
    margin: 0 30px;
    cursor: pointer;
}

.h_right a:hover{
    border-bottom: 3px solid #1b7bfc;
    padding-bottom: 5px;
}
/*菜单栏结束*/



/*中间内容开始部分*/
.contain{
    /*background-color:rebeccapurple;*/
    height: 680px;
    margin-top: 10px;
}
/*中间内容左边模块开始*/
.contain .c_left{
    float: left;
    width: 930px;
    height: 680px;
    margin-right:10px;
    background-color: #fff;
}
.c_left .model_title{
    height: 50px;
    line-height: 50px;
}
.c_left .model_name{
    float: left;
    color: #1b7bfc;
    margin: 0 15px;
}
.c_left .model_other{
    float: right;
    color: #1b7bfc;
    margin: 0 15px;
}
.c_left .model_other .create{
    float: left;
    width: 20px;
    height: 20px;
    margin: 15px 15px;
    cursor: pointer;

}

.c_left .model_other .create>img{
    width: 100%;
}

.model_content li{
    float: left;
    width: 200px;
    height:230px;
    /*background-color: red;*/
    margin: 15px 10px;
    border-radius: 10px;
    border: 1px solid #e9ebf6;
    cursor: pointer;
}


.model_content .class_name{
    height: 150px;
    background:rebeccapurple;
    text-align: center;

}
.model_content .class_name img{
    width: 100%;
    height: 100%;
    /*border-radius-topright: 10px;*/
    border-top-left-radius:10px ;
    border-top-right-radius: 10px;

}

.model_content  .class_detail{
    margin: 0 15px;
}
/*中间内容左边模块结束*/

/*中间内容右边模块开始*/
.contain .c_right{
    float: left;
    width: 250px;
    height: 680px;
    /*background-color:red;*/
}
/*显示登录用户信息*/
.c_right .user_info{
    height: 300px;
    background: #ffffff;
    overflow: hidden;
}
.c_right .resp{
    position: relative;
    height: 130px;

}
.c_right .resp .setting{
    position: absolute;
    right: 10px;
    width: 30px;
    height: 30px;
}
.c_right .user_info .user_info_portrait{
    height: 50px;
    width: 50px;
    margin:15px auto;
    /*background-color: red;*/
}
.user_info_portrait img{
    width: 100%;
}

.user_info_portrait p{

    margin-top: 20px;
    text-align: center;
}
.user_info_detail{

    margin: 20px 15px;
}
/*显示登录用户所能进行的操作*/
.c_right .user_auth{
    height: 360px;
    background: #ffffff;
    margin-top: 20px;

}

.c_right .user_auth li{
    float: left;
    width: 62px;
    height: 100px;
    /*background-color:red;*/
    text-align: center;
    cursor: pointer;

}
.user_auth li img{
    width: 25px;
    height: 25px;
    margin: 20px 0;
}
.user_auth li p{
    font-size: 14px;
}
/*中间内容右边模块结束*/

/*中间内容部分结束*/



/*底部版权信息模块*/
.footer{
    height: 50px;
    line-height: 50px;
    background-color: #fff;
    margin-top: 20px;
    text-align: center;
}